References

• ESA, 1997, "The Hipparcos and Tycho Catalogues", ESA SP-1200, European Space Agency, Vols. 1-17
• Luyten W.J., 1957, "A Catalogue of 9867 Stars in the Southern Hemisphere with Proper Motions Exceeding 0.2 $\hbox{$^{\prime\prime}$ }$ Annually". The Lund Press, Minneapolis, Minnesota
• Wroblewski H., Costa E., 1999, A&AS 139, 25 NASA ADS
• Wroblewski H., Costa E., 2000 (in preparation)
• Wroblewski H., Torres C., 1998, A&AS 128, 457 NASA ADS